Finding the Third Proportional to 80,105,070 and 164,456,742

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,070 : 164,456,742 = 164,456,742 : x
2. Step 2: Convert to fraction form
   80,105,070/164,456,742 = 164,456,742/x
3. Step 3: Cross multiply
   80,105,070x = 164,456,742 × 164,456,742
4. Step 4: Simplify right side
   80,105,070x = 27,046,019,989,254,564
5. Step 5: Solve for x
   x = 27,046,019,989,254,564/80,105,070
6. Step 6: Final answer
   x = 337,631,812.68